Home / 106,412.81-146,846.93-58,665.33

Finding the Fourth Proportional to 106,412.81, 146,846.93 and 58,665.33

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Solution

The fourth proportional to 106,412.81, 146,846.93 and 58,665.33 is: 80,956.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,412.81 : 146,846.93 = 58,665.33 : x
  2. Step 2: Convert to fraction form
    106,412.81/146,846.93 = 58,665.33/x
  3. Step 3: Cross multiply
    106,412.81x = 146,846.93 × 58,665.33
  4. Step 4: Simplify right side
    106,412.81x = 8,614,823,314.61
  5. Step 5: Solve for x
    x = 8,614,823,314.61/106,412.81
  6. Step 6: Final answer
    x = 80,956.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.